Smell a rat
To suspect that something dishonest is going on.
English
Smell a rat
Tiếng Việt
Đánh hơi thấy có gì mờ ám.
Ngờ ngợ rằng có chuyện không trung thực.
Examples
- When the invoice arrived twice I smelled a rat.
- She smelled a rat and asked for the records.